Version History

The alpha stage of Oxygen Not Included's development started on February 15th, 2017. On May 18th, 2017, the game transitioned into Early Access, and on July 30th, 2019, it was officially published. The developers also maintain their own update log on the forums.

Agricultural Upgrade (AU)
The Agricultural Upgrade was added as Oxygen Not Included entered Early Access.

Thermal Upgrade (TU)
The Thermal Upgrade was the first major content update for the game.